
# CMAKE 基础配置，使用版本等
set(CMAKE_SYSTEM_NAME Generic)
set(CMAKE_SYSTEM_VERSION 1)
cmake_minimum_required(VERSION 3.27)

# 编译器配置 : specify cross-compilers and tools
set(CMAKE_C_COMPILER arm-none-eabi-gcc)
set(CMAKE_CXX_COMPILER arm-none-eabi-g++)
set(CMAKE_ASM_COMPILER  arm-none-eabi-gcc)
set(CMAKE_AR arm-none-eabi-ar)
set(CMAKE_OBJCOPY arm-none-eabi-objcopy)
set(CMAKE_OBJDUMP arm-none-eabi-objdump)
set(SIZE arm-none-eabi-size)
set(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY)

# 工程配置 : project settings
project(STM32F103DEMO C CXX ASM)
set(CMAKE_CXX_STANDARD 17)
set(CMAKE_C_STANDARD 11)

# 若使用硬件浮点运算, 则按需开启 : Uncomment for hardware floating point
#add_compile_definitions(ARM_MATH_CM4;ARM_MATH_MATRIX_CHECK;ARM_MATH_ROUNDING)
#add_compile_options(-mfloat-abi=hard -mfpu=fpv4-sp-d16)
#add_link_options(-mfloat-abi=hard -mfpu=fpv4-sp-d16)

# 若使用软件浮点运算, 则按需开启 : Uncomment for software floating point
#add_compile_options(-mfloat-abi=soft)
add_compile_options(-mcpu=cortex-m3 -mthumb -mthumb-interwork)
add_compile_options(-ffunction-sections -fdata-sections -fno-common -fmessage-length=0)

# uncomment to mitigate c++17 absolute addresses warnings
#set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-register")

# 汇编文件编译 : Enable assembler files preprocessing
add_compile_options($<$<COMPILE_LANGUAGE:ASM>:-x$<SEMICOLON>assembler-with-cpp>)

# 编译版本配置
if ("${CMAKE_BUILD_TYPE}" STREQUAL "Release")
    message(STATUS "Maximum optimization for speed")
    add_compile_options(-Ofast)
elseif ("${CMAKE_BUILD_TYPE}" STREQUAL "RelWithDebInfo")
    message(STATUS "Maximum optimization for speed, debug info included")
    add_compile_options(-Ofast -g)
elseif ("${CMAKE_BUILD_TYPE}" STREQUAL "MinSizeRel")
    message(STATUS "Maximum optimization for size")
    add_compile_options(-Os)
else ()
    message(STATUS "Minimal optimization, debug info included")
    add_compile_options(-Og -g)
endif ()

# 头文件路径定义
include_directories(Core/Inc)
include_directories(Drivers/STM32F1xx_HAL_Driver/Inc/Legacy)
include_directories(Drivers/STM32F1xx_HAL_Driver/Inc)
include_directories(Middlewares/Third_Party/FreeRTOS/Source/include)
include_directories(Middlewares/Third_Party/FreeRTOS/Source/CMSIS_RTOS_V2)
include_directories(Middlewares/Third_Party/FreeRTOS/Source/portable/GCC/ARM_CM3)
include_directories(Drivers/CMSIS/Device/ST/STM32F1xx/Include)
include_directories(Drivers/CMSIS/Include)
include_directories(Users/Inc)

# 代码文件路径定义
file(GLOB_RECURSE SOURCES 
    Core/Src/*.c 
    Drivers/STM32F1xx_HAL_Driver/Src/*.c 
    Middlewares/Third_Party/FreeRTOS/Source/*.c 
    Middlewares/Third_Party/FreeRTOS/Source/CMSIS_RTOS_V2/cmsis_os2.c 
    Middlewares/Third_Party/FreeRTOS/Source/portable/MemMang/heap_4.c 
    Middlewares/Third_Party/FreeRTOS/Source/portable/GCC/ARM_CM3/port.c 
    Users/Src/*.c 
    startup_stm32f103xe.s)


# pre-definition 定义 
add_definitions(-DDEBUG -DUSE_HAL_DRIVER -DSTM32F103xE)

# .ld 链接文件路径定义
set(LINKER_SCRIPT ${CMAKE_SOURCE_DIR}/STM32F103VETX_FLASH.ld)

# 链接配置定义
add_link_options(-Wl,-gc-sections,--print-memory-usage,-Map=${PROJECT_BINARY_DIR}/${PROJECT_NAME}.map)
add_link_options(-mcpu=cortex-m3 -mthumb -mthumb-interwork)
add_link_options(-T ${LINKER_SCRIPT})

# 可执行文件定义
add_executable(${PROJECT_NAME}.elf ${SOURCES} ${LINKER_SCRIPT}) 
#add_executable(${PROJECT_NAME}.elf ${SRC_LIST} ${LINKER_SCRIPT})

set(HEX_FILE ${PROJECT_BINARY_DIR}/${PROJECT_NAME}.hex)
set(BIN_FILE ${PROJECT_BINARY_DIR}/${PROJECT_NAME}.bin)

add_custom_command(TARGET ${PROJECT_NAME}.elf POST_BUILD
        COMMAND ${CMAKE_OBJCOPY} -Oihex $<TARGET_FILE:${PROJECT_NAME}.elf> ${HEX_FILE}
        COMMAND ${CMAKE_OBJCOPY} -Obinary $<TARGET_FILE:${PROJECT_NAME}.elf> ${BIN_FILE}
        COMMENT "Building ${HEX_FILE}
        
Building ${BIN_FILE}")